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Another improvement of calculating the size of the extent.

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Dirk Lemstra 2023-04-05 17:21:52 +02:00
parent b019133ef4
commit 3151fd858f
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GPG key ID: 40B84DE7D6271D30
1 changed files with 4 additions and 5 deletions
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9
coders/tiff.c
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@ -1906,15 +1906,14 @@ static Image *ReadTIFFImage(const ImageInfo *image_info,
*/
strip_size=TIFFStripSize(tiff);
stride=(ssize_t) TIFFVStripSize(tiff,1);
extent=(size_t) ((samples_per_pixel+extra_samples)*strip_size);
length=GetQuantumExtent(image,quantum_info,quantum_type);
if (length > stride)
extent+=length;
extent=MagickMax((size_t) strip_size,rows_per_strip*
(size_t) MagickMax(stride,length));
strip_pixels=(unsigned char *) AcquireQuantumMemory(extent,
sizeof(uint32));
sizeof(*strip_pixels));
if (strip_pixels == (unsigned char *) NULL)
ThrowTIFFException(ResourceLimitError,"MemoryAllocationFailed");
(void) memset(strip_pixels,0,extent*sizeof(uint32));
(void) memset(strip_pixels,0,extent*sizeof(*strip_pixels));
strip_id=0;
p=strip_pixels;
for (i=0; i < (ssize_t) samples_per_pixel; i++)